A. Freon-12 B. Ethylene C. Ammonia D. Carbon dioxide
Chemical Engineering Thermodynamics (MCQs) Which of the following is not a common refrigerant? A. Freon-12 B. Ethylene C. Ammonia D. Carbon dioxide Answer: Option B. Explanation: As ethylene has flammable characters it is not commonly used as a refrigerant. Show AnswerDiscussion